OwnerC.J. Whelan
LocationCentennial, Colorado United States map
Web/EmailWebPage email image
Vehicle2004 BMW 330Ci Convertible
2004 BMW 330Ci convertible (E46 series)
transformed to electric
MotorHPEVS AC-51 3-Phase AC
draw up to 500 amps producing up to 88 HP and
108 ft-lbs of torque
Drivetrainrear-wheel drive
stock ZF GS637BZ 6-spd manual transmission
lightweight, performance, single-mass flywheel
and clutch
stock 3.07:1 final drive
ControllerCurtis 1239e
Batteries6 Tesla Model S battery modules, 24.00 Volt, Lithium-Ion
each: ~23V, 5.3kWh
total: ~144V, 32kWh
System Voltage144 Volts
Charger Stealth EV 3.3kW
Stealth EV 3.3kW (with combo DC-to-DC converter)
J1772 receptacle in former gas filler door
Heater2kW electric fluid heater connected to stock
heater core.
DC/DC Converter Stealth EV
(combo with charger)
InstrumentationCurtis "spyglass"
Stock instrument cluster modified
Top SpeedHave had it up to 85 with plenty more to go.
Accelerationa bit slow off-the-line, but once going
acceleration is on-par with its pre-conversion
RangeDriving it like you stole it only gets a little
more than 60 miles, a little bit less of a lead
foot and there's plenty more range.
EV Miles
Start:150,000 Miles (241,350 Kilometers)
    As of 12/9/2020
Seating Capacity2+2
Curb Weight3,600 Pounds (1,636 Kilograms)
(about 200 lbs. more than the dry weight of the
car pre-conversion)
Conversion Timeabout 8 months
Conversion CostAll-in $25k (parts only)
Additional FeaturesBattery Management System (BMS): Ewert Energy Systems Orion BMS 2

Battery fluid system to heat or cool Tesla modules as necessary

Stock power steering rack, with Volvo (Ford) 12V electric pump
It drives GREAT!

code by jerry